From Thursday to Sunday, Sara Assad-Mannings opens the shutters to her small bakery in Herne Hill, South London. Proudly proclaiming ‘Sourdough buns, Palestinian flavours,’ Bunhead Bakery has gained something of a cult following since its inception during the pandemic. But now with its first physical store, which opened in May, things have gone to a whole new level. “Let’s gatekeep everything moving forward, but girl it’s too late for me,” Sara jokes, referring to the queues that snake down the street every time Bunhead Bakery opens its doors – often even before the shop opens. But Bunhead’s s…